1. 小孩小时,如果收入不太高,可以存 Coverdell Education account
2. 存529 没有收入限制
3. Coverdell Education account 用不完的,30岁可以转到529
4. 从2024开始, 529 开了15年后,5年前存的可以转到小孩 Roth,每年受Roth Max 限制 ($6500 2023), 但是不受小孩收入限制
The 529 account must have been open and in the beneficiary’s name for more than 15 years and the eligible rollover amount must have been in the 529 account for at least 5 years (including contributions and earnings).